package com.seu.data.structures.linkedList.d;

/**
 * 队列接口
 *
 * @author liangfeihu
 * @since 2018/12/3 15:00
 */
public interface Queue<E> {

    int getSize();

    boolean isEmpty();

    void enqueue(E e);

    E dequeue();

    E getFront();
}
